Slow Cycle

Q.

Calcium ion combines with the bi-carbonate ion to form calcium carbonate. In the ocean most of the calcium carbonate is made by shell building organisms called calcifying organism such as corals.

Is this statement true?

1. True

2. False

Q.

How is carbon returned into the atmosphere in a slow carbon cycle?

1. Plants

2. Animals

3. Volcanoes

4. All of the above.

Q.

How is carbon returned into the atmosphere in a slow carbon cycle?

1. Plants

2. All of the above.

3. Animals

4. Volcanoes

Q.

The process of chemical weathering releases which of the following ion/ions?

1. Calcium

2. Magnesium

3. Potassium

4. Sodium

Q.

Movement of carbon from the atmosphere to the lithosphere begins with rain.
$C{O}_2$ + $H_{2}O$ $\to$ ?

1. Oxide

2. Calcium

3. None of the above

4. Carbonic Acid